Whose in, let me ask this chemistry quiz. if the mass of an atomic electron is ''p'' and the mass of a proton is ''q'', from their relative known proportion what's the ratio of the mass of proton to the mass of an atomic electron.Δ

why is arctic sea ice important? arctic sea ice keeps the polar regions cool and moderate global climate. sea ice has a bright surface; 80 percent of the sunlight that strikes it is reflected back into space. as sea ice melts in the summer, it exposes the dark ocean surface.